Sciweavers

3381 search results - page 287 / 677
» Extending Dependencies with Conditions
Sort
View
PODS
2008
ACM
155views Database» more  PODS 2008»
16 years 6 months ago
The recovery of a schema mapping: bringing exchanged data back
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
Marcelo Arenas, Jorge Pérez, Cristian River...
PODS
2008
ACM
152views Database» more  PODS 2008»
16 years 6 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
ICDE
2010
IEEE
311views Database» more  ICDE 2010»
16 years 3 months ago
Detecting Inconsistencies in Distributed Data
— One of the central problems for data quality is inconsistency detection. Given a database D and a set Σ of dependencies as data quality rules, we want to identify tuples in D ...
Wenfei Fan, Floris Geerts, Shuai Ma, Heiko Mü...
PVLDB
2008
127views more  PVLDB 2008»
15 years 6 months ago
Discovering data quality rules
Dirty data is a serious problem for businesses leading to incorrect decision making, inefficient daily operations, and ultimately wasting both time and money. Dirty data often ari...
Fei Chiang, Renée J. Miller
BMCBI
2011
15 years 1 months ago
Context-dependent transcriptional regulations between signal transduction pathways
Background: Cells coordinate their metabolism, proliferation, and cellular communication according to environmental cues through signal transduction. Because signal transduction h...
Sohyun Hwang, Sangwoo Kim, Heesung Shin, Doheon Le...